Cute, but that's the thing. In most other MMO's, maintaining hate is a secondary issue to mitigating damage. Once the tank has grabbed hate, maintaining hate is a simple thing. This isn't a sign of a good tank, but a sign of a basic tank that even a stupid tank should be able to manage.
The challenge of tanking should not, and I repeat, should not be about keeping up enmity, but about survival and making sure that he (and his party) survive against the enemy.